Saturday, May 19, 2018

Do routers use ARP to find next hop mac?

Sorry if this has been answered I tried to research first.

From what information I can find ARP is usually a broadcast, but broadcasts stay within the LAN.

How do routers determine the mac of the next hop external network does it somehow use ARP?

If it does use ARP how does it function when querying the mac when not in the same LAN?

Thanks in advance to anyone kind enough to help me understand this topic.



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